On Thu, 17 Oct 2019 23:03:45 +0000 (UTC), not@telling.you.invalid (Computer
Nerd Kev) declaimed the following:

>
>They do sell SD cards which are supposably rated for continuous video
>recording. I'm in no position to say whether or not that's just
>marketing though.
>

 Class-10 card speed is rated for streaming video to a freshly formatted
card. However, that is based on a single active file in use, and FAT
(non-journaling) file system. Current R-Pi uses EXT3 or EXT4 journaling
file system with lots of small files getting in the way of streaming.

>
>Unless you're looking to mimimise power consumption to minimise
>operating costs, or running from a UPS.

 You probably want that hard-drive even more if you don't have a UPS...
Having a hard power-drop on a Linux file system can corrupt it -- putting
the active data on a hard-drive rather than the same SD card the OS is
running from may make recovery easier (it takes some tricks to fsck the
running partition(s), but with all variable data on a hard-drive you can
boot with hard-drive dismounted, fsck it, then mount it for use).


--
 Wulfraed                 Dennis Lee Bieber         AF6VN
 wlfraed@ix.netcom.com    http://wlfraed.microdiversity.freeddns.org/

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